Home / 154,499.70-231,749.55-109,884.90

Finding the Fourth Proportional to 154,499.70, 231,749.55 and 109,884.90

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Solution

The fourth proportional to 154,499.70, 231,749.55 and 109,884.90 is: 164,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,499.70 : 231,749.55 = 109,884.90 : x
  2. Step 2: Convert to fraction form
    154,499.70/231,749.55 = 109,884.90/x
  3. Step 3: Cross multiply
    154,499.70x = 231,749.55 × 109,884.90
  4. Step 4: Simplify right side
    154,499.70x = 25,465,776,126.80
  5. Step 5: Solve for x
    x = 25,465,776,126.80/154,499.70
  6. Step 6: Final answer
    x = 164,827.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.